Snow Day Probability
☀️ Chance of school cancellation tomorrow
Data provided by Open-Meteo
The Washington area school districts in Washington DC together serve thousands of students across many public, charter, and private campuses. The Washington area averages approximately 12 inches of snowfall per year, with the heaviest snowfall typically occurring between December and February.
School districts in Washington generally post closure decisions to district websites and notify parents through automated alerts and local broadcasters, typically before sunrise on storm days, after coordinating with bus contractors and transportation supervisors. Two-hour delays and remote-learning days are sometimes used in Washington as alternatives to a full closure when conditions are borderline.
Washington's geography plays a meaningful role in its winter weather: a humid subtropical climate where mid-Atlantic nor'easters can quickly overwhelm road crews. These factors directly influence how often Washington schools end up closed during a given winter. Geographically, Washington sits near 38.91°N, 77.02°W, which shapes how regional storm systems and Arctic air masses interact with the area.
Notable historic snow events in or near Washington include the January 2016 "Snowzilla" blizzard that dropped over two feet on the capital region, which produced widespread closures across the region. Historically, schools in the Washington area close an average of approximately 4 days per winter season due to snow, ice, or extreme cold. Use our Snow Day Calculator above to check tomorrow's real-time school closure probability for Washington based on live weather forecast data from Open-Meteo.
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Our calculator pulls live weather forecast data for Washington from the Open-Meteo API and analyzes snowfall accumulation, temperature, wind chill, and 24-hour precipitation totals to generate a school closure probability percentage.
Check between 9 PM and midnight the evening before a potential storm. Weather models are most reliable within a 12–18 hour forecast window, giving you the most accurate prediction for the following morning.
Yes. Public schools close more readily than private schools, which close more readily than colleges and universities. Select your school type for the most accurate Washington prediction.